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xormod
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enable vsync for smooth scrolling

main
Henri Vasserman 2025-01-09 17:43:06 +02:00
parent a9fb1da7a5
commit 931ec082b8
1 changed files with 7 additions and 8 deletions
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15
xormod.c
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@ -5,6 +5,7 @@
#include "platform.h" #include "platform.h"
#include "types.h" #include "types.h"
#include <SDL3/SDL_render.h>
#include <stdio.h> #include <stdio.h>
#include <inttypes.h> #include <inttypes.h>
#include <SDL3/SDL.h> #include <SDL3/SDL.h>
@ -28,6 +29,8 @@ int main() {
SDL_Renderer *rend = SDL_CreateRenderer(window, NULL); SDL_Renderer *rend = SDL_CreateRenderer(window, NULL);
SDL_SetRenderVSync(rend, 1);
Field f; Field f;
Field_init(&f, w, h); Field_init(&f, w, h);
@ -50,16 +53,16 @@ int main() {
const bool *keys = SDL_GetKeyboardState(NULL); const bool *keys = SDL_GetKeyboardState(NULL);
if (keys[SDL_SCANCODE_LEFT] || keys[SDL_SCANCODE_A]) { if (keys[SDL_SCANCODE_LEFT] || keys[SDL_SCANCODE_A]) {
f.offset.x -= 16; f.offset.x -= delta;
} }
if (keys[SDL_SCANCODE_RIGHT] || keys[SDL_SCANCODE_D]) { if (keys[SDL_SCANCODE_RIGHT] || keys[SDL_SCANCODE_D]) {
f.offset.x += 16; f.offset.x += delta;
} }
if (keys[SDL_SCANCODE_UP] || keys[SDL_SCANCODE_W]) { if (keys[SDL_SCANCODE_UP] || keys[SDL_SCANCODE_W]) {
f.offset.y -= 16; f.offset.y -= delta;
} }
if (keys[SDL_SCANCODE_DOWN] || keys[SDL_SCANCODE_S]) { if (keys[SDL_SCANCODE_DOWN] || keys[SDL_SCANCODE_S]) {
f.offset.y += 16; f.offset.y += delta;
} }
SDL_Event event; SDL_Event event;
@ -128,10 +131,6 @@ int main() {
} }
SDL_RenderPresent(rend); SDL_RenderPresent(rend);
if (delta < 16) {
SDL_Delay(16 - delta);
}
} }
SDL_DestroyRenderer(rend); SDL_DestroyRenderer(rend);